The electronic capture system of the Rieger Organ comprises three elements:programmable combinations; a card memory, and a cresendo system:

12 general combinations X 16 levels (total:192 general combinations) available on 12 thumb pistons (duplicated on 12 toe pistons); thumb pistons are located left of centre:nos 1-4 below Manual II, 5-8 below manual II, and nos 9-12 below Manual I, duplicated toe pistons are available above the pedal board: nos 1-6 to the left of swell pedals (beginning on the left), numbers 7-12 are to the right of the swell pedals.

Combinations are sequentially available by means of a Sequencer Forward ((S>) and Sequencer Backwards (<S) on thumb and food pistons located under Manual I (centre) and above the pedals (centre)  Sequencer Forward (S>) thumb pistons are also available under Manual II and Manual III (centre) and on both sides of the console for an assistant registrant

Duplicate reversible pistons for each of the couplers.The first set is immediately above the pedal board to the left of the swell pedals (and below the General Combinations toe pistons [1-6].Their order, from centre to left, is:Hw/P, Pos/P, Sw/P, Pos/HW, Sw/Hw, Sw/Pos.The second set is below the manuals to the right:Hw/p, Pos/Hw, Sw/Hw are below the first manual.Pos/P and Sw/P are below the second manual.Sw/P is below the third manual.

Four programmable Crescendo presets (marked:A-B-C-D)

One programmable Tutti thumb piston (reversible)

Two pedal boards (slightly radial/concave; straight/flat)

Adjustable organ bench

Television monitor in the right corner of the book stand with a view on the stage auditorium

One General Cancellation piston.

Full details concerning the electronic stop-action and systems are available on request.